Home / 9,277.26-13,911.57-5,382.78

Finding the Fourth Proportional to 9,277.26, 13,911.57 and 5,382.78

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Solution

The fourth proportional to 9,277.26, 13,911.57 and 5,382.78 is: 8,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.26 : 13,911.57 = 5,382.78 : x
  2. Step 2: Convert to fraction form
    9,277.26/13,911.57 = 5,382.78/x
  3. Step 3: Cross multiply
    9,277.26x = 13,911.57 × 5,382.78
  4. Step 4: Simplify right side
    9,277.26x = 74,882,920.76
  5. Step 5: Solve for x
    x = 74,882,920.76/9,277.26
  6. Step 6: Final answer
    x = 8,071.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.